Shower unit for kitchen sink



FIG. 1 is a rear view of the shower unit for kitchen sink, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof, the other side being mirror-like;

FIG. 4 is a view thereof, taken from above; and,

FIG. 5 is a view thereof, taken from below. 

The ornamental design for a shower unit for kitchen sink, as shown and described. 